Question

parsec is the unit of​

Answer 1

Explanation:

One parsec is the distance to an object whose parallax angle is one arcsecond. The radius of the Earth's orbit equals one astronomical unit (AU), so an object that is one parsec distant is 206,265 AU (or 3.26 light-years) away.

Answer 2

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Parsec is the unit of astronomical unit

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✔ The parsec (pc) is a unit of length used to measure the large distances to astronomical objects outside the Solar System.

✔ One parsec is the distance to an object whose parallax angle is one arcsecond.

✔ One parsec is approximately equal to 31 trillion kilometres (19 trillion miles), or 210,000 astronomical units, and equates to about 3.3 light-years.

✔ The radius of the Earth's orbit equals one astronomical unit (AU), so an object that is one parsec distant is 206,265 AU (or 3.26 light-years) away.